在比利时只有资质合格的医生才能从事非传统医学工作。In Belgium only qualified doctors may practise alternative medicine.学校不会接受任何学生质量不合格的作业。A school would not accept low-quality work from any student.每五人中只有两个是合格的.Out of every five men only two were...

“合格的”的英语可以翻译为：eligible，qualified，regular ...